ἡμίκυκλος
From LSJ
ἀκμὴ οὐδὲ ἔχει γενέσεως ὑπόστασιν καθ' ἑαυτήν → the culmination has no power of originating by itself
English (LSJ)
ον,
A v. ἡμικύκλιος.
German (Pape)
[Seite 1168] = ἡμικύκλιος, ἑλιγμός Heliod. 8, 14 u. a. Sp.; obwohl Schäfer zum Schol. Ap. Rh. a. a. O. das Wort verwirft.